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Finding the Fourth Proportional to 439,490.16, 606,508.32 and 248,532

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Solution

The fourth proportional to 439,490.16, 606,508.32 and 248,532 is: 342,980.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,490.16 : 606,508.32 = 248,532 : x
  2. Step 2: Convert to fraction form
    439,490.16/606,508.32 = 248,532/x
  3. Step 3: Cross multiply
    439,490.16x = 606,508.32 × 248,532
  4. Step 4: Simplify right side
    439,490.16x = 150,736,725,786.24
  5. Step 5: Solve for x
    x = 150,736,725,786.24/439,490.16
  6. Step 6: Final answer
    x = 342,980.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.